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info@msfoam.comESD-PE-Schaum ist eine Art antistatischer, geschlossenzelliger Polyethylenschaum in schwarzer Farbe. Es handelt sich um einen umweltfreundlichen, elektrostatisch schützenden Industrieschaum mit geringer Dichte für die Verpackungsindustrie. Als Schaum Oberfläche Widerstand Unterschied, hat es antistatische PE-Schaum und leitfähigem PE-Schaum zwei Arten. Antistatischer PE-Schaum hat einen Oberflächen- oder Volumenwiderstand von 10^6-109 Ω, und leitfähiger PE-Schaum hat einen Oberflächenwiderstand oder Volumenwiderstand von 103-105Ω.
Performance Parameter | Typical Value/Range | Test Standard | Chip Packaging Adaptability Description |
---|---|---|---|
Density | 60-120 kg/m³ | ISO 845 | High density (≥80kg/m³) enhances compressive resistance |
Dicke | 0.5-5.0 mm | ASTM D374 | 1-2mm commonly used for chip trays; 3-5mm for shipping boxes |
Surface Resistance | 10⁶~10⁹ Ω | ANSI/ESD S11.11 | Electrostatic dissipation zone (prevents static accumulation) |
Volume Resistance | 10³~10⁶ Ω·cm | ASTM D257 | Uniform conductivity to prevent localized discharges |
Zugfestigkeit | 1.5-3.5 MPa | ISO 527 | Prevents tearing during handling |
Compression Set | ≤10% (50% compression, 22h) | ISO 1856 | Excellent recovery after long-term compression |
Temperature Resistance | -50℃~+105℃ | ASTM D746 | Withstands chip reflow temperatures (125℃ short-term) |
Cleanliness | NAS 1638 Class 5 | IEST-STD-CC1246D | No particle shedding to protect chip surfaces |
VOC Emission | TVOC ≤50μg/m³ | GB/T 29899 | Avoids contamination of chip bonding areas |
Environmental Friendliness | Halogen-free, RoHS/REACH compliant | IEC 62321 | Meets electronics industry environmental standards |
Performance Parameter | Typical Value/Range | Test Standard | Medical Device Adaptability Description |
---|---|---|---|
Density | 80-150 kg/m³ | ISO 845 | High density (≥100kg/m³) ensures structural stability |
Dicke | 3-20 mm | ASTM D374 | Commonly 10-15mm for MRI device gaskets |
Surface Resistance | 10⁶~10⁹ Ω | ANSI/ESD S11.11 | Electrostatic dissipation to prevent interference with precision sensors |
Volume Resistance | 10³~10⁶ Ω·cm | ASTM D257 | Uniform conductivity to avoid localized discharges |
Zugfestigkeit | 2.0-4.0 MPa | ISO 527 | Resistant to mechanical stress, prevents tearing |
Compression Set | ≤8% (50% compression, 22h) | ISO 1856 | No deformation after long-term use |
Temperature Resistance | -60℃~+120℃ | ASTM D746 | Suitable for MRI liquid nitrogen cooling environments |
Shielding Effectiveness | ≥30dB (1GHz) | ASTM D4935 | Suppresses electromagnetic interference (EMI) |
Biocompatibility | ISO 10993-5/10 | USP Class VI | Non-cytotoxic/non-skin irritating |
Cleanliness | ISO 14644-1 Class 5 | IEST-STD-CC1246D | No particle shedding, meets cleanroom requirements |
Performance Indicator | Typical Value/Range | Test Standard |
---|---|---|
Density | 30-120 kg/m³ (45-80 commonly used) | ISO 845 |
Dicke | 0.5-10 mm (2-5 mm commonly used) | ISO 9073-2 |
Surface Resistance | 10⁶-10⁹ Ω/sq (ESD grade) | ASTM D257 |
Volume Resistance | 10⁶-10⁹ Ω·cm | ASTM D257 |
Compressive Strength | 10-50 kPa (25% compressive deformation) | ISO 3386 |
Rebound Rate | ≥70% | ASTM D3574 |
Flame Retardancy | UL94 HF-1/V0 (optional) | UL 94 |
Temperature Resistance Range | -40℃ ~ +120℃ (150℃ for short-term) | ISO 6722 |
Wärmeleitfähigkeit | 0.04-0.06 W/(m·K) | ASTM C518 |
Wasserabsorption | <1% (24h immersion) | ASTM D570 |
Tear Strength | 3-10 N/mm | ASTM D624 |
Performance Indicator | Typical Value/Range | Test Standard | Special Aerospace Requirements |
---|---|---|---|
Density | 60-150 kg/m³ (80-120 commonly used) | ISO 845 | High density ensures impact resistance and structural stability |
Dicke | 0.2-15 mm (1-5 mm commonly used) | ISO 9073-2 | Ultra-thin (<1mm) for precision instrument gaps |
Surface Resistance | 10⁴-10⁹ Ω/sq (more stringent control) | ASTM D257 | Need to prevent electromagnetic interference (EMI shielding optional) |
Volume Resistance | 10⁴-10⁹ Ω·cm | ASTM D257 | Higher stability requirements in low-humidity environments |
Compressive Strength | 50-200 kPa (25% compressive deformation) | ISO 3386 | Must withstand high-frequency vibrations and G-force impacts |
Rebound Rate | ≥85% | ASTM D3574 | More stringent requirements for recovery after long-term compression |
Flame Retardancy | UL94 V0 / FAR 25.853 | UL 94 / FAA standards | Must pass toxic fume test (low toxicity) |
Temperature Resistance Range | -70℃ ~ +180℃ (200℃ for short-term) | RTCA DO-160 | Compatible with extreme cold (high altitude) and re-entry high temperatures |
Vacuum Outgassing | TML<1%, CVCM<0.1% | ASTM E595 | Prevent contamination of spacecraft optical components |
Radiation Resistance | Resistant to UV/γ rays (no cracking for 1000 hours) | MIL-STD-810G | Essential for satellites and deep-space equipment |
Wärmeleitfähigkeit | 0.03-0.05 W/(m·K) | ASTM C518 | Thermally enhanced types required for some scenarios |
Chemical Resistance | Resistant to hydraulic oil, rocket fuel oxidants | ASTM D471 | Resist hydrazines, nitrogen tetroxide, etc. |